Home / 1,656,017.36-2,285,316.51-920,981.85

Finding the Fourth Proportional to 1,656,017.36, 2,285,316.51 and 920,981.85

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Solution

The fourth proportional to 1,656,017.36, 2,285,316.51 and 920,981.85 is: 1,270,961.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,017.36 : 2,285,316.51 = 920,981.85 : x
  2. Step 2: Convert to fraction form
    1,656,017.36/2,285,316.51 = 920,981.85/x
  3. Step 3: Cross multiply
    1,656,017.36x = 2,285,316.51 × 920,981.85
  4. Step 4: Simplify right side
    1,656,017.36x = 2,104,735,017,781.99
  5. Step 5: Solve for x
    x = 2,104,735,017,781.99/1,656,017.36
  6. Step 6: Final answer
    x = 1,270,961.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.